package com.ruoyi.common.utils;

import com.alibaba.fastjson.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.text.DecimalFormat;
import java.util.HashMap;
import java.util.Map;


/**
 * 功能描述
 *
 * @author: scott
 * @date: 2022年07月07日 11:46
 */
public class BaiduApiUtil {
    public static String AK = "7nNEg2Ue3Wa2Se0loWVfppQZASL6B1eK"; // 百度地图密钥

    // 调用百度地图API根据地址，获取坐标
    public static Map getCoordinate(String address) {
        Map map = new HashMap<>();
        if (address != null && !"".equals(address)) {
            address = address.replaceAll("\\s*", "").replace("#", "栋");
            String url = "http://api.map.baidu.com/geocoding/v3/?address=" + address + "&output=json&ak=" + AK;
            String json = loadJSON(url);
            if (json != null && !"".equals(json)) {
                JSONObject obj = JSONObject.parseObject(json);
                if ("0".equals(obj.getString("status"))) {
                    double lng = obj.getJSONObject("result").getJSONObject("location").getDouble("lng"); // 经度
                    double lat = obj.getJSONObject("result").getJSONObject("location").getDouble("lat"); // 纬度
                    DecimalFormat df = new DecimalFormat("#.######");
                    map.put("lng", df.format(lng));
                    map.put("lat", df.format(lat));
                    //return df.format(lng) + "," + df.format(lat);
                    return map;
                }
            }
        }
        return null;
    }

    public static String loadJSON(String url) {
        StringBuilder json = new StringBuilder();
        try {
            URL oracle = new URL(url);
            URLConnection yc = oracle.openConnection();
            BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream(), "UTF-8"));
            String inputLine = null;
            while ((inputLine = in.readLine()) != null) {
                json.append(inputLine);
            }
            in.close();
        } catch (MalformedURLException e) {} catch (IOException e) {}
        return json.toString();
    }

    public static void main(String[] args) {


        for (int i=0;i<10;i++){
            String dom = "江苏邳州民主路48号";
            Map coordinate = getCoordinate(dom);
            System.out.println("'" + dom + "'的经纬度为：" + coordinate);
        }

    }
}
